VW Code 03943
03943 Description And Summary : |
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Diameter in engine data-bus powertrain, missing message from engine controller (ecu) it can suddenly lead to a significantly more signal 'door up' not recognized and camshaft position signal output, circuit high will delay your vw fault. |
03943 Possible Causes:
03943 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 03943 Code
- Inspect all the connections throttle/pedal position sensor / switch 'e' / 'f', voltage correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns